<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div {
            width: 50px;
            height: 50px;
            background-color: aqua;
            position: relative;
        }
    </style>
</head>

<body>
    <div>
        啊哈11
    </div>
    <script src="./jquery.min.js"></script>
    <script>
        function name(params) {
            let pop = 1234
            return function () {
                console.log(pop);
                
            }
            // typeof params == "function" && params()


        }
        name()
        $('div').animate({ left: 500 }, function () {
            $('div').css({
                backgroundColor: 'red'
            })
        })
    </script>

</body>

</html>